Browse the evidence

Diet and physical activity based interventions during pregnancy significantly reduce gestational weight gain compared to routine care, with a mean difference of -0.70 kg.

Engage in moderate physical activity and follow a balanced diet during pregnancy. This combination significantly reduces excessive weight gain and lowers the risk of caesarean section without harming the baby. These benefits apply to women of all body weights, not just those who are obese.

Diet and physical activity based interventions during pregnancy significantly reduce the odds of caesarean section.

Engage in moderate physical activity and follow a balanced diet during pregnancy. This combination significantly reduces the odds of requiring a caesarean section. These benefits apply to women of all body weights.

Strength training adaptations are driven by neural factors early on, and muscle hypertrophy requires reaching muscular failure regardless of load, though high loads are needed for maximal strength gains.

To build muscle, you don't necessarily need to lift heavy weights. As long as you train close to muscular failure, lighter weights can build muscle just as effectively. However, if your goal is maximal strength, you still need to lift heavy loads.

Sleep deprivation increases the risk of cardiometabolic diseases (hypertension, type 2 diabetes, obesity) by promoting systemic inflammation, insulin resistance, and sympathetic nervous system overactivity.

Aim for 7-8 hours of sleep to protect your heart and metabolic health. Chronic sleep restriction (<6 hours) significantly increases your risk of obesity, type 2 diabetes, and hypertension by promoting inflammation and insulin resistance. Prioritizing sleep is a foundational strategy for preventing cardiometabolic disease.

Lifestyle interventions combining dietary changes and physical activity significantly reduce the risk of developing type 2 diabetes in high-risk individuals (those with impaired glucose tolerance or metabolic syndrome).

If you have impaired glucose tolerance or metabolic syndrome, combining modest weight loss (5-7% of body weight) with increased physical activity (aiming for ~150 minutes per week) and a diet lower in saturated fat and higher in fiber can reduce your risk of developing type 2 diabetes by nearly half. These benefits can last for many years, even after the active intervention ends.

The risk reduction from lifestyle interventions for type 2 diabetes prevention is sustained for many years (up to 20 years) after the active intervention phase.

The effort you put into lifestyle changes now continues to protect you from type 2 diabetes for many years, even after you stop actively tracking your diet and exercise. The benefits do not disappear when the 'program' ends.

Prescription omega-3s (4 g/d EPA-only) reduce major adverse cardiovascular events by 25% in high-risk patients with hypertriglyceridemia who are already taking statins.

If you are at high risk for heart disease and have high triglycerides, ask your doctor about adding prescription EPA-only omega-3s (like Vascepa) to your statin. The REDUCE-IT trial showed this combination reduced major heart events by 25% compared to placebo.

Malnutrition is a preventable and reversible condition that worsens clinical outcomes, increases morbidity and mortality, and increases healthcare costs if left undetected.

Recognize malnutrition as a distinct, treatable disease, not just a side effect of aging or illness. Early identification and intervention can reverse the condition and significantly improve patient survival and recovery rates.

Improving overall diet quality over a 12-year period significantly reduces the risk of all-cause mortality, with greater improvements yielding larger reductions in risk.

Focus on gradually improving your diet quality over time rather than seeking perfection. Even modest, sustained improvements in the quality of your diet (measured by indices like AHEI, MedDiet, or DASH) can significantly lower your risk of dying from any cause. Consistency over the long term matters more than short-term intensity.

Maintaining a consistently high-quality diet over 12 years is associated with a lower risk of all-cause mortality compared to maintaining a consistently low-quality diet.

Aim to maintain a high-quality diet consistently over the long term. While improving your diet is beneficial, keeping your diet quality high over many years provides a significant protective effect against mortality. Focus on sustainable habits that you can maintain.

Adherence to four major healthy dietary patterns (HEI-2015, AMED, HPDI, AHEI) is associated with a statistically significant reduction in the risk of incident cardiovascular disease (CVD), including coronary heart disease and stroke.

To lower your risk of heart disease and stroke, focus on long-term adherence to established healthy dietary patterns rather than chasing single 'superfoods' or nutrients. The four major patterns studied (HEI-2015, AMED, HPDI, AHEI) all share core components: high intake of vegetables, fruits, whole grains, legumes, and nuts, and lower intake of red/processed meats, sugar-sweetened beverages, and refined grains. You can choose the pattern that best fits your cultural background and personal preferences, as all were associated with a 14-21% lower risk of CVD when comparing the highest adherence to the lowest.

High-Intensity Resistance and Impact Training (HiRIT) improves lumbar spine and femoral neck bone mineral density and physical function in postmenopausal women with osteopenia or osteoporosis without causing adverse events, contrary to traditional safety concerns.

If you are a postmenopausal woman with low bone density, supervised high-intensity resistance and impact training (like squats, deadlifts, and controlled jumps) performed twice a week for 30 minutes can significantly improve your bone density and physical function. This should be done under professional supervision to ensure safety and correct technique.

Routine supplementation with omega-3 LC-PUFA (specifically DHA) during pregnancy reduces the risk of early preterm birth (<34 weeks) and low birth weight.

If you don't eat fish at least twice a week (including oily fish like salmon or mackerel), take a daily supplement providing at least 200 mg of DHA. This reduces the risk of early preterm birth and low birth weight. Avoid large predator fish like tuna and swordfish due to toxin risks.

Consuming one serving per day of sugar-sweetened beverages (SSBs) is associated with a 0.12 kg additional weight gain over one year and an 18% higher risk of type 2 diabetes (T2D), independent of total energy intake adjustments in some analyses.

Limit sugar-sweetened beverages to occasional consumption. Replacing one daily serving of soda with water or unsweetened tea can prevent approximately 0.12 kg of weight gain per year and significantly lowers your risk of developing type 2 diabetes. Be cautious with fruit juice, as it offers similar metabolic risks to soda due to high sugar content; prefer whole fruits instead.

High intake of sugar-sweetened beverages is associated with a 13-22% increased risk of cardiovascular events (stroke and myocardial infarction) and a 21% higher risk of all-cause mortality, driven largely by cardiovascular mortality.

High consumption of sugary drinks significantly increases your risk of heart attack, stroke, and early death. This risk exists even if you are not overweight. Reducing SSB intake is a critical step for long-term cardiovascular health, especially for women who may face higher stroke risks.

GLP-1 receptor agonists (e.g., exenatide, liraglutide, semaglutide) effectively treat type 2 diabetes and obesity by stimulating glucose-dependent insulin secretion, inhibiting glucagon secretion, slowing gastric emptying, and reducing appetite.

GLP-1 receptor agonists are a highly effective, FDA-approved class of medications for treating type 2 diabetes and obesity. They work by mimicking a natural gut hormone to increase insulin when blood sugar is high, decrease glucagon, slow digestion, and reduce appetite. While they can cause initial nausea, this is often manageable with slow dose increases. They offer the added benefit of cardiovascular protection for many patients.

Oral semaglutide at 7 mg/d and 14 mg/d, when added to metformin with or without sulfonylurea, significantly reduces glycated hemoglobin (HbA1c) and body weight compared to sitagliptin in adults with type 2 diabetes.

If you have type 2 diabetes that isn't well-controlled with metformin (with or without sulfonylurea), adding oral semaglutide at 7 mg or 14 mg daily can significantly lower your HbA1c and help you lose weight compared to taking sitagliptin. Start with 3 mg, then increase to 7 mg after 4 weeks, and finally to 14 mg after another 4 weeks. Take it first thing in the morning with water, at least 30 minutes before eating or taking other medications. The 3 mg dose alone is not effective for lowering HbA1c compared to sitagliptin, so sticking to the higher doses is important.

High-dose purified eicosapentaenoic acid (EPA) reduces major adverse cardiovascular events by 25% in high-risk patients with elevated triglycerides, an effect not observed with EPA/DHA combinations.

If you have high triglycerides and heart disease risk, ask your doctor about prescription EPA (icosapent ethyl). It has been proven to reduce heart attacks and strokes in people already taking statins, whereas standard fish oil supplements containing DHA have not shown the same benefit.

Post-exercise massage is the most effective recovery technique for reducing delayed onset muscle soreness (DOMS) and perceived fatigue, outperforming active recovery, compression garments, immersion, and cryotherapy.

If you are dealing with muscle soreness or fatigue after a hard workout, schedule a 20-30 minute massage within two hours of finishing. This is currently the most evidence-backed way to reduce pain and tiredness, working better than cold baths, compression gear, or active recovery for these specific feelings.

GLP-1 receptor agonists (GLP-1RA) provide superior glycemic control and weight loss compared to DPP-4 inhibitors in patients with type 2 diabetes, despite a higher incidence of gastrointestinal side effects.

If you have Type 2 Diabetes and are struggling with blood sugar and weight despite taking metformin, switching from a DPP-4 inhibitor (like sitagliptin) to a GLP-1 receptor agonist (like semaglutide or liraglutide) is likely to give you better blood sugar control and more weight loss. Be prepared for some initial stomach upset (nausea), which usually gets better over time. If you strongly dislike injections, ask about oral semaglutide, which offers similar benefits without needles.

Obesity increases the risk of cardiovascular disease, type 2 diabetes, cancer, and early mortality, while sarcopenia (low muscle mass) increases the risk of injury, disability, and mortality, making the assessment of both fat and lean mass critical for risk stratification.

Maintain a healthy balance of fat and muscle. High fat mass and low muscle mass are both independently linked to higher risks of chronic disease and early death. Regular body composition checks help identify these risks early.

Marine n-3 fatty acid supplementation (specifically EPA at 4g/day) reduces cardiovascular events in high-risk patients with elevated triglycerides, independent of statin therapy.

If you have high triglycerides and are at high cardiovascular risk, ask your doctor about high-dose EPA (4g/day). This specific intervention has been shown to significantly reduce heart attacks and strokes, even for those already taking statins.

Pre-pregnancy overweight or obesity and excessive gestational weight gain are significant, modifiable risk factors that increase the incidence of GDM.

Maintain a healthy weight before pregnancy. If overweight, aim for gradual weight loss before conceiving. During pregnancy, monitor weight gain closely to ensure it stays within recommended guidelines for your pre-pregnancy BMI.

Marine omega-3 fatty acids (EPA and DHA) significantly reduce several cardiovascular risk factors, including blood triglycerides, blood pressure, heart rate, and inflammatory markers (CRP, IL-6), regardless of clinical outcome in primary prevention trials.

Taking omega-3 supplements will likely lower your triglycerides and slightly lower your blood pressure. However, this physiological improvement does not always translate to fewer heart attacks in healthy people, so do not rely on it as a sole preventive measure.